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2015 - 2018 Ford Edge
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Tekonsha T-One connector (also referred to as T-Connector) wiring harnesses are the fastest and easiest way to add an electrical connector to the back of your vehicle. These connectors are used to link the wiring from your vehicle to the trailer when towing. Tekonsha T-One connectors feature custom designs to fit each vehicle make and model based on manufacturer specifications. Plus, the Plug & Play connectors on the end of the wires make it easy to install. No cutting or splicing!
Tekonsha offers the largest, most complete line of T-One connectors. To install a Tekonsha T-One wiring harness, simply locate your vehicle's wiring harness connector typically behind the vehicle taillight - unplug the connection and insert the T-Connector into the vehicle's harness. It's that easy! So what are you waiting for? Hit the road with the peace of mind only Tekonsha can provide. Life's a Journey. Stop Often.
| BRAND: | TEKONSHA |
| PART NUMBER: | 118677 |
| WARRANTY: | LIMITED 1 YEAR WARRANTY |
| WEIGHT: | 2 LBS |
| UNIVERSAL OR SPECIFIC FIT: | SPECIFIC |
| CIRCUIT PROTECTED: | YES |
| HARNESS TYPE: | MALE FEMALE |
| TERMINAL QUANTITY: | 4 |
| WIRE COLORS: | BROWN, GREEN, YELLOW, WHITE |
| WIRE QUANTITY: | 4 |
| WIRE GAUGE: | 16 GA. |
| POWER LEAD REQUIRED: | YES |
| ELECTRICAL SYSTEM TYPE: | 3-WIRE SYSTEM |
| HARDWARE INCLUDED: | YES |
Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2015 - 2018 | Ford Edge | Tow Harness T: Connector Assembly Drilling Required Install Time is 60 minutes |
Yes, the 2015-2018 Ford Edge, 2015-2018 Ford Edge Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118677 (Part #TK118677) is designed to fit the 2015-2018 Ford Edge.
The 2015-2018 Ford Edge, 2015-2018 Ford Edge Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118677 (Part #TK118677) fits 2015-2018 Ford Edge models. The 2018 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2015-2018 Ford Edge, 2015-2018 Ford Edge Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118677 (Part #TK118677) fits the following vehicles: 2015-2018 Ford Edge. Always verify your specific year, make, and model before ordering.
The 2015-2018 Ford Edge, 2015-2018 Ford Edge Tekonsha Plug & Play T-Connector Adapter Trailer Wiring 118677 (Part #TK118677) Drilling is required for installation. Basic hand tools are typically all you need.
The T-Connector is a trailer wiring interface that allows you to connect a trailer to your Ford Edge Titanium. It intercepts the vehicle's taillight signals and converts them to a 4-Flat trailer connector, enabling the trailer lights to synchronize with your vehicle's brake, turn, and tail lights.
Yes, the T-Connector 118677-037 is designed for the Ford Edge Titanium. The manual does not specify compatibility with other Ford Edge trim levels or model years, so confirm your vehicle matches before purchasing.
You will need: #2 Phillips screwdriver, trim panel remover, drill with 3/32" drill bit, 1/4" socket, wire crimpers, wire cutters, and a test probe. A test light or trailer is also required to verify the installation after completion.
The kit includes: T-Connector harness with yellow and green wire ends, black converter box, 4-Flat connector, white ground wire with eyelet and screw, 15 amp fuse in yellow fuse holder, yellow butt connectors, double-sided tape for mounting the converter box, and cable ties for securing the harness. The bracket for the 4-Flat connector is not included.
Yes. You must disconnect the vehicle's negative (-) battery cable before proceeding with the installation. This is done in step 6 before connecting the fuse holder to the positive battery cable. Reconnect the negative battery cable after installing the 15 amp fuse in step 9.
Yes. You must open the tailgate and remove both taillight housing assemblies. Use a trim panel remover to remove the square covers and expose the taillight screws. After removing the screws, carefully pull the taillight away from the vehicle without damaging the alignment pins. The T-Connector harness is then plugged into the taillight sockets.
On the driver's side, fish the T-Connector end with yellow wires up between the bumper and vehicle body into the taillight pocket. Plug the yellow-wire end between the mating plugs on the driver's side taillight socket and vehicle wiring harness. On the passenger's side, route the green-wire end up through the opening and repeat the same plugging procedure. The T-Connector sits between the vehicle harness and the taillight socket on both sides.
Route the 4-Flat connector underneath the bumper. The manual states it should be mounted in a suitable location under the vehicle, but the bracket is not included. You will need to source an appropriate bracket separately and secure the 4-Flat in a location that is protected and accessible for trailer connection.
Beginning from the front of the vehicle, route the black 12 gauge wire rearward along the frame rail. Be careful to avoid hot pipes, heat shields, the fuel tank, or any other points that may pinch or break the wire. Route the wire to the rear driver's side and locate the opening between the vehicle rear bumper and body. Route the wire up through this hole and attach it to the black wire from the T-Connector black box using the supplied yellow butt connector.
Yes. You must drill a 3/32" hole to secure the white ground wire. Locate a suitable grounding point near the connector on the driver's side. Clean dirt and rustproofing from the area first. Do not drill into the vehicle floor or bed. Before drilling, verify what is behind the surface to avoid damage to the vehicle or personal injury. Secure the white wire using the eyelet and screw provided.
The ground wire hole is 3/32" in diameter. The white ground wire is secured using an eyelet and screw that are provided in the kit. The eyelet is inserted through the drilled hole and the screw fastens it to the vehicle body.
The fuse rating is 15 amps. The fuse holder is connected between the vehicle's positive (+) battery cable and the black 12 gauge wire that runs to the rear of the vehicle. The fuse is installed in step 9 after the negative battery cable is reconnected. If the fuse holder is provided with a fuse already installed, remove it before cutting the fuse holder wire and attaching the ring terminal to the positive battery cable.
The T-Connector uses yellow wires on the driver's side taillight connection, green wires on the passenger's side taillight connection, white wire for the ground connection, and black 12 gauge wire for the positive battery connection. The black converter box also has a black wire that connects to the black 12 gauge wire from the battery using a yellow butt connector.
Disconnect the vehicle's negative (-) battery cable first. If the fuse holder comes with a fuse installed, remove it. Cut the fuse holder wire and attach the ring terminal to the vehicle's positive (+) battery cable. Connect the other end of the fuse holder to the black 12 gauge wire using the yellow butt connector provided. After all other connections are complete, reconnect the negative battery cable and install the 15 amp fuse into the fuse holder.
Mount the black converter box on the driver's side in a flat surface location that is out of the way. Use the double-sided tape provided to secure it. The epoxy side of the module must point toward the ground to prevent water buildup. This is a critical orientation requirement.
After reinstalling the taillight housing assemblies, position the vehicle wiring harness between the housing and the vehicle body. Secure the remainder of the T-Connector harness under the bumper with the cable ties provided. Be careful to avoid any areas that would cut or pinch the wire.
Do not exceed the lower of your towing manufacturer's rating or these limits: maximum stop/turn light is 2 per side (4.2 amps total); maximum tail lights is 7.5 amps. Overloading the circuit can cause fires. Consult your vehicle's owner's manual and the towing manufacturer's instruction sheet for additional information about your specific towing capacity.
After installation is complete, test and verify the installation with a test light or trailer. Use a test probe to check that the trailer connector is receiving the correct signals from the vehicle's brake, turn, and tail lights. This verification step is required before towing.
Wear safety glasses during installation. Read and follow all vehicle warnings and installation instructions before beginning. Before drilling, verify what is behind any surface to avoid damage to the vehicle or personal injury. Do not drill into exposed surfaces, the vehicle floor, or bed. When routing wires, carefully avoid hot pipes, heat shields, the fuel tank, or any other points that may pinch or break the wire. Read and follow all warnings and cautions printed on the tow vehicle's battery.
The T-Connector 118677-037 is designed for the Ford Edge Titanium. Confirm your vehicle matches this model before purchasing.
You need: #2 Phillips screwdriver, trim panel remover, drill with 3/32" bit, 1/4" socket, wire crimpers, wire cutters, and test probe. A test light or trailer is required to verify installation.
Yes, disconnect the negative (-) battery cable before starting. Reconnect it after installing the 15 amp fuse in the fuse holder.
The fuse rating is 15 amps. It connects between the vehicle's positive battery cable and the black 12 gauge wire running to the rear.
Do not exceed: 2 stop/turn lights per side (4.2 amps) or 7.5 amps for tail lights. Overloading can cause fires. Consult your towing manufacturer's rating.
Test the installation with a test light or trailer to verify all connections are working correctly before towing.
First, verify the installation with a test light or trailer as instructed. Check that the 15 amp fuse is installed in the fuse holder and is not blown. Verify that the T-Connector yellow-wire end is properly plugged between the mating plugs on the driver's side taillight socket and vehicle wiring harness, and that the green-wire end is properly plugged on the passenger's side. Ensure the black 12 gauge wire is properly connected to the vehicle's positive battery cable through the fuse holder and to the black wire from the T-Connector black box. Check that the white ground wire is securely fastened to a clean metal surface on the vehicle body. If all connections are secure and the fuse is good, the converter box may be faulty.
The black converter box must be mounted with the epoxy side pointing toward the ground to prevent water buildup. If water is accumulating, the module is mounted upside down or at an angle. Remount the converter box using the double-sided tape so that the epoxy side faces downward. This is a critical orientation requirement.
A repeatedly blown fuse indicates an electrical overload or short circuit. Check that you are not exceeding the maximum electrical ratings: 2 stop/turn lights per side (4.2 amps) or 7.5 amps for tail lights. Verify that the trailer lights are not drawing more power than the T-Connector is rated for. Inspect all wire connections, especially the yellow butt connectors, to ensure they are secure and not corroded. Check that the white ground wire is securely fastened to a clean metal surface and that the connection is not loose. If the fuse continues to blow after these checks, there may be a short circuit in the wiring or a faulty converter box.
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